Determining stress parameters of formations from multi-mode...
Determining stresses and length changes in well production tubin
Determining the in situ effective mobility and the effective...
Determining the length and azimuth of fractures in earth formati
Determining the oil decline for an oil-producing reservoir
Determining the pressure of formation fluid in earth...
Determining the PVT properties of a hydrocarbon reservoir fluid
Device and method for determining the orientation of fractures i
Device for blocking at a given torque a rotating machine driven
Device for evaluation of the lubricating charcteristics of a dri
Device for measuring properties of underground water and method
Device for measuring stresses transmitted by a shaft, in particu
Device for measuring the flow of fluid in a well
Device for simultaneously measuring various parameters of the dr
Device for surveying subterranean spaces or caverns
Digital mineral logging system
Digital mineral logging system
Digital telemetering system for subsurface instrumentation
Distinguishing true basement from dikes and sills encountered in
Distributed flow properties wellbore measurement system